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package org.glassfish.jersey.examples.feedcombiner.manager;
import java.net.URL;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.function.Function;
import org.glassfish.jersey.examples.feedcombiner.model.CombinedFeed;
import org.glassfish.jersey.examples.feedcombiner.model.FeedEntry;
import org.glassfish.jersey.examples.feedcombiner.store.InMemoryDataStore;
import org.easymock.Capture;
import org.easymock.EasyMock;
import org.easymock.EasyMockRule;
import org.easymock.EasyMockSupport;
import org.easymock.Mock;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import static org.easymock.EasyMock.capture;
import static org.easymock.EasyMock.eq;
import static org.easymock.EasyMock.expect;
import static org.junit.Assert.assertEquals;
import com.sun.syndication.feed.synd.SyndContentImpl;
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndEntryImpl;
import static java.util.Collections.singletonList;
/**
* @author Petr Bouda (petr.bouda at oracle.com)
*/
public class FeedDownloadTaskTest extends EasyMockSupport {
private static final Date DATE = new Date();
private static final String[] TITLES = {"title1", "title2"};
private static final String[] LINKS = {"link1", "link2"};
private static final String[] DESCS = {"description1", "description2"};
private static final String feedId = "1";
@Rule
public EasyMockRule mocks = new EasyMockRule(this);
@Mock
private InMemoryDataStore datastore;
@Mock
private Function<URL, List<SyndEntry>> downloader;
private FeedDownloadTask testedClass;
@Before
public void init() {
testedClass = new FeedDownloadTask(downloader, datastore, feedId);
}
@Test
public void testCombinedFeedNotFound() {
expect(datastore.get(feedId, CombinedFeed.class)).andReturn(null);
replayAll();
testedClass.run();
verifyAll();
}
@Test
public void testSuccess() throws Exception {
URL url = new URL("http://localhost");
String id = "1";
CombinedFeed feed = new CombinedFeed.CombinedFeedBuilder(id, singletonList(url))
.refreshPeriod(5L).build();
expect(datastore.get(feedId, CombinedFeed.class)).andReturn(feed);
expect(downloader.apply(url)).andReturn(syndEntries());
Capture<CombinedFeed> feedCapture = EasyMock.newCapture();
expect(datastore.put(eq(id), capture(feedCapture))).andReturn(null);
replayAll();
testedClass.run();
verifyAll();
CombinedFeed capturedFeed = feedCapture.getValue();
assertEquals(2, capturedFeed.getFeedEntries().size());
for (FeedEntry entry : capturedFeed.getFeedEntries()) {
if (TITLES[0].equals(entry.getTitle())) {
assertEquals(feedEntries().get(0), entry);
} else {
assertEquals(feedEntries().get(1), entry);
}
}
}
private List<FeedEntry> feedEntries() {
return Arrays.asList(new FeedEntry(TITLES[0], LINKS[0], DESCS[0], DATE),
new FeedEntry(TITLES[1], LINKS[1], DESCS[1], DATE));
}
private List<SyndEntry> syndEntries() {
return Arrays.asList(syndEntry(TITLES[0], LINKS[0], DESCS[0], DATE),
syndEntry(TITLES[1], LINKS[1], DESCS[1], DATE));
}
private SyndEntry syndEntry(String title, String link, String description, Date date) {
SyndEntry entry = new SyndEntryImpl();
entry.setLink(link);
entry.setTitle(title);
SyndContentImpl content = new SyndContentImpl();
content.setValue(description);
entry.setDescription(content);
entry.setPublishedDate(date);
return entry;
}
}